您要查找的是不是:
- Species of Rosaceae, Caprifoliaceae and Ericaceae dominate the shrub layer. 草本层主要由莎草科、菊科、百合科等科植物组成。
- The TWINSPAN classification and DCA ordination were employed for the quantitative analysis of the shrub layer and herbage layer under different stands. 利用双向指示种分析法(TWINSPAN)和除趋势对应分析(DCA)对昆嵛山不同林分类型下的灌木层和草本层进行了数量生态学分析.
- There was no significant difference of diversity index between the tree layer and the shrub layer. 乔木层与灌木层之间多样性各项指标总体无显著差别。
- Species diversity of herb layer is lower than that of shrub layer within the same community. 同一群落内物种多样性比较基本上是灌木层>草本层;
- Generally, the order of the magnitude of species diversity was: shrub layer>tree layer>herb layer. 总体来看,栲属群落物种多样性在群落不同层次的变化规律为:灌木层>乔木层>草本层;
- Arbor and shrub layer comprised 94.8% and 1.2% of the biomass, herb and litter layer comprised 0.7% and 3.3% of the value,respec- tively. 乔木、灌木、草本和死地被物层分别各占94.;8%25;1
- The complicated vertical structure could be divided into tree layer, shrub layer and herb layer, as well as a definite number of interstratum plants. 群落垂直结构复杂,可分为乔木层、灌木层和草本层,并有一定数量的层间植物。
- The species diversity index of the tree layer was a bit low, and the general trend was shrub layer > treelayer > herb layer. 乔木层物种多样性指数偏低,垂直结构各层次间物种多样性大小依次为灌木层>乔木层>草本层。
- The species of the community's canopy and shrub layer should properly chosen for afforestation and regeneration of Fokienia hodginsii. 福建柏造林和更新时对于群落乔木层和灌木层的物种需要一定的选择。
- The species richness and species diversity index of the tree layer and shrub layer are obviously bigger than those of the herb layer. 乔木层、灌木层的物种丰富度、物种多样性指数均明显大于草本层。
- Results indicate that phanerophyte is the dominant synusia in the shrub layer and hemicryptophyte in the herbage layer, and Selaginella is the only species on the forest floor. 研究结果表明:高位芽植物是灌木层中的优势层片;地面芽植物是草本植物的优势层片;
- The species richness and diversity index of the tree layer and the shrub layer was obviously higher than that of the herb layer, and their evenness had evident difference. 乔木层、灌木层的物种丰富度、物种多样性指数均大于草本层,且差异极显著,群落均匀度差异显著。
- There are 69 woody species occurring in the shrub layer in the Slash pine (Pinus elliotii Engelman) plantation in Jiangxi Province after more than 10 years natural succession. 摘要江西红壤丘陵区湿地松人工林经过10多年的自然更新,林下植被恢复迅速,仅灌木物种就达69种。
- The vertical structure was more complicated, Rubus setchuenensis dominated in shrub layer of all four communities in the restorational processes of vegetation. 在恢复的进程中,四类群落垂直结构层次更复杂,川莓在各灌木层都占优势地位。
- The effect of the shrub layer, herb layer and ground layer on the habitat use was related to the food and shelter conditons in the coniferous and broadleaf mixed forests. (3)各种灌木层、草本层和地被层因子在白颈长尾雉栖息地中食物条件和隐蔽条件方面发挥重要作用。
- The results were as follows: Phyllostachys varioauriculata was the most in shrub layer, and the important value of Carex pallens was the highest in herb layer. 结果表明:该区域灌木层以毛壳竹最占优势,草本层中灰绿苔草重要值最高。
- Results have shown that surface flammable substances in Yunnan pine forest totals 95. 043T/ha, of which arbor layer makes up 77. 414 T/ha, shrub layer 4. 165 T/ha, herb layer 0. 104 T/ha, and litter layer 12. 86 T/ha. 研究结果表明:云南松林地上部分可燃物总量为95.;043t/ha;其中乔木层77
- The results indicate that there are obvious two parts of population structure, one is Robinia pseudoacacia seedlings from age stage 2 to age stage 10 in shrub layer, the other is Robinia pseudoacacia arbor from age stage 17 to age stage 26 in arbor layer. 研究结果显示,刺槐的种群结构明显的分为两个部分,即构成林下灌木层的刺槐幼苗(龄级:2-10)和构成乔木层的刺槐(龄级:17-26);
- The vertical structure of Heptacodium miconioides is rather complicated.It can be divided into arborous layer,shrub layer,herbaceous layer and interstratum plants which are numerous in quantity. 七子花群落垂直结构较复杂,可分为乔木层、灌木层、草本层,亦有数量较多的层间植物。
- Abstract The abundant shrub species,obvious stratifications and complex shrub layer structures,which are the most outstanding characteristics in the coniferous-broad mixed forest in the Russia plain. 生物群落的特征主要取决于物理因素,但同样也取决于生物种之间的相互作用。